8446240 has 48 divisors (see below), whose sum is σ = 21772800. Its totient is φ = 3070720.

The previous prime is 8446237. The next prime is 8446247. The reversal of 8446240 is 426448.

It is a junction number, because it is equal to n+sod(n) for n = 8446199 and 8446208.

It is not an unprimeable number, because it can be changed into a prime (8446247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 640 + ... + 4159.

It is an arithmetic number, because the mean of its divisors is an integer number (453600).

Almost surely, 2^8446240 is an apocalyptic number.

8446240 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8446240 is an abundant number, since it is smaller than the sum of its proper divisors (13326560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8446240 is a wasteful number, since it uses less digits than its factorization.

8446240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4825 (or 4817 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 8446240 is about 2906.2415591275. The cubic root of 8446240 is about 203.6515903503.

The spelling of 8446240 in words is "eight million, four hundred forty-six thousand, two hundred forty".